Everyone should learn something about first aid，for every second will ________ in an emergency.

As senior three students, it is important to ______ a good state of mind.

They have given up the hope to save their friend from drowning.

--Whenever I come to visit, he is always watching TV.--You’re really observant. He can’t help but ________ some TV during meals or before bed.

－Does coffee really help when you have to work late into night?－Yes. As far as I’m concerned, I feel very ________ after a coffee.